If You Reuse Passwords, the JohnDoeProject Leak Should Worry You

HEROIC found: On March 12, 2025, a Telegram user uploaded a stealer log through JohnDoeProject, exposing 83,993 records containing email addresses, plaintext passwords, and URLs from compromised endpoints and services.

Why the JohnDoeProject Breach Is Dangerous

JohnDoeProject stealer logs are dangerous because they capture credentials directly from infected devices, bypassing multi-factor authentication and encryption. Each of the 83,993 exposed records represents a real person whose login data is now in the hands of cybercriminals ready to exploit it.

What Was Exposed in the JohnDoeProject Leak

• Email addresses
• Plaintext passwords
• URLs associated with compromised accounts and services

Why This JohnDoeProject Data Puts You at Risk

If you reuse passwords across multiple sites, the JohnDoeProject breach puts every account sharing those credentials at risk. Attackers use stolen email and password combinations in automated credential stuffing attacks, gaining access to banking, shopping, and social media accounts within minutes of a leak being published.

How Stealer Logs Work

Infostealer malware infects devices through phishing emails, malicious downloads, or compromised software. Once installed, it silently harvests saved passwords, cookies, and credentials before uploading everything to attacker-controlled servers. Cybercriminals then distribute these logs on platforms like Telegram, where thousands of records can be accessed and exploited almost instantly.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the JohnDoeProject leak or thousands of other breaches in our database.